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Public water system · CT0691132

Active

474 Putnam Pike

At a glance

474 Putnam Pike (PWSID CT0691132) is an active transient non-community water system in Windham County, Connecticut. It reports serving 46 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in August 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

46

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCT0691132
System typeTransient non-community water system
Activity statusActive
Population served46
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCT state drinking water program
City servedKillingly
StateConnecticut
ZIP—
CountyWindham County

How does 474 Putnam Pike compare with other water systems in Windham County?

By EPA's size categories, 474 Putnam Pike is a very small system (500 people or fewer). Windham County has 254 active public water systems. Its population served is well below the county average of 251 people per system, and accounts for less than 0.1% of the 63,868 people reported by systems filed under the county. Across Connecticut, the 2,363 active systems average 1,247 people each. Nationally, the average active transient non-community water system reports serving 144 people, so 474 Putnam Pike is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Connecticut has 1,399 active transient non-community water systems, 59% of the state's 2,363 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,263 Connecticut systems (96%) list groundwater as their primary source.

Who owns and regulates 474 Putnam Pike?

EPA lists 474 Putnam Pike as privately owned. The CT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 220 of the 254 active systems in Windham County (87%) are also privately owned.

Does 474 Putnam Pike have drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in August 2023. The violations listed here began between July 2012 and August 2023. By type: 2 public notice, recordkeeping or other, 2 contaminant level above the legal limit, 1 required treatment not met, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 7 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2023-08-24Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-07-26Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-07-22Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2BRevised Total Coliform Rulecode 8000YesResolved
2023-06-21ReportingNotification, E. coli Maximum Contaminant Level Violation (RTCR · code 4ERevised Total Coliform Rulecode 8000NoResolved
2023-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2012-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2012-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 7 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

474 Putnam Pike: frequently asked questions

Who runs 474 Putnam Pike?

474 Putnam Pike (PWSID CT0691132) is a transient non-community water system privately owned. It is regulated by the CT state drinking water program.

How many people does 474 Putnam Pike serve?

474 Putnam Pike reports serving 46 people through 1 service connection in Windham County, Connecticut.

Where does 474 Putnam Pike get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does 474 Putnam Pike have any drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in August 2023. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is 474 Putnam Pike's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in August 2023. For current results, consult EPA ECHO, or the CT state drinking water program.

Where can I find 474 Putnam Pike's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 474 Putnam Pike is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Windham County

Water systemCountyPopulation servedTypeSource
Windham Water WorksWindham21,214CommunitySurface water
Putnam Water Pollution Control AuthorityWindham7,300CommunitySurface water
Ctwc - Crystal SystemWindham6,378CommunityGroundwater
Ctwc - Gallup SystemWindham2,538CommunityGroundwater
Ctwc - Plainfield SystemWindham1,713CommunityGroundwater
Killingly High School & Agricultural CtrWindham1,400Non-transient non-communityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “474 Putnam Pike, PWSID CT0691132, Connecticut”, https://aquacensus.com/water-systems/connecticut/474-putnam-pike-ct0691132 (data as of October 1, 2026).